X 4 9x 2 36 July 8, 2019 16 32 64 128 X 4 9x 2 36 0 X 4 4x 3 9x 2 36x X 4 4x 3 9x 2 36x 0 X 3 4 2 9x 36 X 2 4x 4 2 9x 2 36x 44 0 X 4 9x 3 28x 2 36x 16 X 6 14x 4 49x 2 36 X 6 4x 4 9x 2 36 0 X 6 4x 4 9x 2 36 Factor x 4 4x 3 9x 2 36x F x )= x 4 4x 3 9x 2 36x 9x 4 x 2 12x 36 X mũ 3 trừ 4 x mũ 2 9x 36